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1214451012144 = 243171488297809
BaseRepresentation
bin10001101011000010111…
…010111101001000110000
311022002201011211120220110
4101223002322331020300
5124344143424342034
62325524443541320
7153512141164536
oct21530272751060
94262634746813
101214451012144
11429055a32437
1217745122a840
138a6a3489176
1442acb884156
15218cd70bde9
hex11ac2ebd230

1214451012144 has 40 divisors (see below), whose sum is σ = 3321880711920. Its totient is φ = 381004238848.

The previous prime is 1214451012133. The next prime is 1214451012167. The reversal of 1214451012144 is 4412101544121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744148089 + ... + 744149720.

It is an arithmetic number, because the mean of its divisors is an integer number (83047017798).

Almost surely, 21214451012144 is an apocalyptic number.

It is an amenable number.

1214451012144 is an abundant number, since it is smaller than the sum of its proper divisors (2107429699776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214451012144 is a wasteful number, since it uses less digits than its factorization.

1214451012144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488297837 (or 1488297831 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 1214451012144 its reverse (4412101544121), we get a palindrome (5626552556265).

The spelling of 1214451012144 in words is "one trillion, two hundred fourteen billion, four hundred fifty-one million, twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 1488297809 2976595618 4464893427 5953191236 8929786854 11906382472 17859573708 23812764944 25301062753 35719147416 50602125506 71438294832 75903188259 101204251012 151806376518 202408502024 303612753036 404817004048 607225506072 1214451012144